A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
External Member Email Group
I have a distribution list and added my external email address as a member. However, when an email is sent to this distribution list, I do not receive it on my external email address. In the message trace, I also cannot see any email being sent to my…
Exchange Online
Stopped receiving emails on my account.
One specific email address is not receiving mail in Outlook. How do I restore service?
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Hybrid moves fail since Oct 2026: MRSProxy 401, Event 4625 shows "Administrator" with empty domain (endpoint credentials ignored)
Since ~12 Oct 2026 23:53 UTC, all onboarding moves (Exchange 2019 CU15 -> Exchange Online, Modern Hybrid / Hybrid Agent) fail with TooManyTransientFailureRetriesPermanentException / CommunicationErrorTransientException right after "Connected to…
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
Do we need extra licenses Microsoft Defender for Office 365 (Plan 1) for shared mailboxes?
Hello. I would like to confirm that I understand correctly the licensing regarding standard mailboxes for users and shared ones. Microsoft Defender for Office 365 service description. We have 55 users and 10 shared mailboxes that some of the users have…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Migration Connect-Sync to Cloud-Sync
How do we prevent device export from Connect Sync for a pilot OU without triggering a delete export, and then pass the same hybrid join device objects to AD2AADDeviceSync? The single test successfully updated the existing object.
Exchange | Hybrid management
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
Unable to login to Exchange admin with my EA account
Unable to login to Exchange admin with my EA account, not getting option to choose between normasl account and ez account
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Cannot access Exchange Online mailbox – Microsoft 365 tenant and account issue
Hello Microsoft Support Community, I need assistance with my Microsoft 365 and Exchange Online configuration. My situation: My email address is [Moderator note: Personally Identifiable Information removed]@nikel.sk. My domain nikel.sk is already…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
I need to check an email was actually sent to us
I need to check an email was actually sent to us, nothing is in any of our inboxes, but they have checked and done their own message trace and it does look like it was sent... We need to do our own trace
Exchange | Exchange Server | Management
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
Email send limit exceeds for tenant need email alerts before reach the limit
Hi All i would like to receive email alerts before i reach my tenant send email limit to outbound external recipients but not being able to find out such feature in Exchange online admin center. Please let me know if i can receive these alerts through…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Exchange Online PowerShell doesn’t expose New-DynamicDistributionGroup
I can’t access New-DynamicDistributionGroup in Exchange Online PowerShell. The term 'New-DynamicDistributionGroup' is not recognized as a name of a cmdlet, function, script file, or executable program. Check the spelling of the name, or if a path was…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Rbac for application : getSchedule gets access to subject and locations of other calendar without having Calendars.Read to them ?
We would like to make an application that can : Check the busy status of people in an exchange tenant, without seeing the details of their meeting (no subject or location). Read and write into one (or multiple) shared calendar in order to invite said…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Migration Assistance
Hi All, Since the Microsoft FastTrack migration experience has moved to the Microsoft 365 admin center, I created a new migration project using the following portal: https://admin.cloud.microsoft/?Q=MACMigrations#/SetupGuidance/Migration My goal is to…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Unable to send email
Your message can't be sent because your tenant has exceeded its daily limit for sending email to external recipients (tenant external recipient rate limit
Exchange | Other
A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.
All outgoing emails fail in Outlook for Windows
Hello, I need help with my company email account, [Moderator note: Personally Identifiable Information removed] @elite-connect.uk]. All outgoing emails fail in Outlook for Windows and Outlook on the web with this error: 550 5.1.8 Access denied, bad…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Support for accessing Recoverable Items (Litigation Hold) in Exchange Online In-Place Archive mailboxes using Graph API
I could not find any official Microsoft Graph API documentation on how to discover Recoverable Items (Deletions, Purges, Versions, DiscoveryHolds) from an Exchange Online In-Place Archive mailbox for active users under Litigation Hold using Graph…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Microsoft Exchange / IPhone email syncing problem
I have a microsoft exchange business account on my windows laptop. I store emails that i want to keep in exchange folders. I use outlook for my email and sync my email to my iPhone. about two days ago, I can no longer see on my iphone the emails that…
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
Error 550 5.1.8 Access denied
Our email was suspected of sending spam, with this rectified I need to unblock my emails so I can send emails. How can I do this? I have tried to submit a request to "delist" however it is saying that the email or IP address is incorrect …
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Office 365 - Microsoft purview E-Discovery search and deletion query.
One of the user who recently left the company send an sensitive content email to few internal users (Example below). Email details : Sender: Sent date/time: October 20, 2026 around 6:00 pm. Subject: Party Invitation Attachment excel filename: Party…
Exchange | Other
A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.
Microsoft 365 F1 has exchange k1
if i block owa users can still use pop feature what action would Microsoft take incase user in my org are using this
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
I can't see GROUPS
Hello from sunny Spain. My GROUPS tab has disappeared!!
Exchange | Other
A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.